<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        *a{
            margin: 0;
            padding: 0;
        }
        .a{
            width: 100%;
            height: 300px;
            border: 1px solid red;
        }
        .b{
            background-image: url("../images1/bg1.png");
            width: 120px;
            height: 58px;
            text-align:center;
            font-size: 10px;
            color: white;
            float: left;
        }
        .c{
            background-image: url("../images1/bg2.png");
            width: 120px;
            height: 58px;
            text-align:center;
            font-size: 10px;
            color: white;
            float: left;
        }
        .d{
            background-image: url("../images1/bg3.png");
            width: 120px;
            height: 58px;
            text-align:center;
            font-size: 10px;
            color: white;
            float: left;
        }
        .e{
            background-image: url("../images1/bg4.png");
            width: 120px;
            height: 58px;
            text-align:center;
            font-size: 10px;
            color: white;
            float: left;
        }


    </style>
</head>
<body>

<div class="a">

    <div class="b">五彩导航</div>
    <div class="c">五彩导航</div>
    <div class="d">五彩导航</div>
    <div class="e">五彩导航</div>


</div>

</div>
</body>
</html>